Tubular packaging for door knob assembly



FIG. 1 is a perspective view of tubular packaging for a door knob assembly;

FIG. 2 is a top view thereof (the bottom view being identical to the top);

FIG. 3 is a front view thereof (the back, right, and left side views being identical to the front); and,

FIG. 4 is an exploded perspective view thereof.

The broken line showing of the environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for tubular packaging for door knob assembly, as shown and described. 